CN110075990B - Mature zostera marina seed sorting method and sorting device based on density difference - Google Patents
Mature zostera marina seed sorting method and sorting device based on density difference Download PDFInfo
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- CN110075990B CN110075990B CN201910320218.8A CN201910320218A CN110075990B CN 110075990 B CN110075990 B CN 110075990B CN 201910320218 A CN201910320218 A CN 201910320218A CN 110075990 B CN110075990 B CN 110075990B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
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Abstract
The invention discloses a method for sorting mature zostera marina seeds based on density difference, which comprises the following steps: collecting zostera marina reproductive branches, placing the collected zostera marina reproductive branches in a floating frame of a natural sea area, and immersing the collected zostera marina reproductive branches in seawater for temporary storage for a certain time; taking out the natural sea area floating frame, transferring the natural sea area floating frame to an impurity removal barrel, injecting natural seawater, and removing impurities; and sequentially putting the sorting solution with gradually-increased density into the impurity removal barrel, and sequentially separating the zostera marina seeds with different maturity from the sorting solution with gradually-increased density by adopting an impurity removal basket. The method of the invention is used for sorting and collecting the zostera marina seeds with different maturity degrees based on density difference, has high sorting efficiency, ensures that the collected seeds have similar maturity degrees and do not contain impurities such as stones and the like, is suitable for mechanized sowing, and can provide support for large-scale recovery of zostera marina fields. The invention also provides a mature zostera marina seed sorting device based on density difference, which can effectively improve the sorting efficiency of mature zostera marina seeds and reduce the labor intensity.
Description
Technical Field
The invention relates to the technical field of mature zostera marina seed sorting, in particular to a method and a device for sorting mature zostera marina seeds based on density difference.
Background
Zostera marina (Zostera marina L.) is an important sea grass in the northern sea area of China, and is distributed from Liaoning to Shandong along the coast. The zostera marina has flourishing leaves and developed underground roots, can weaken the bank impact force of tide, stabilize coastal sediments and provide food for numerous marine organisms, and plays an important role in a marine ecosystem. The zostera marina produces up to 30000 grains/m per reproductive year through sexual reproduction2The seed of (1), the seed being maintained in existence and in placePlays an important role in the process of developing the zostera marina population.
The relationship between the maturity and the vitality of the seeds is very large, and the thousand seed weight, the germination rate, the survival rate of seedlings and the like of the seeds are obviously influenced. As the zostera marina seeds are matured in batches from the lower parts of flowering branches, if the seeds are harvested too early, the maturity of the seeds is insufficient, the storage resistance of the seeds is reduced, the germination capacity of the seeds is weakened, the viability of the seedlings formed after germination is also reduced, and the like; if the harvest is too late, a large amount of mature seeds fall off and can not be collected along with the drift of ocean current, so that the seed source is greatly lost.
However, the methods for collecting zostera marina seeds known at present are mainly to use a dip net for fishing or direct manual collection in the maturation season of zostera marina seeds. Although the maturity of the zostera marina seeds collected by the above-mentioned zostera marina seed collection method is still good, there are some problems at the same time. Firstly, the original ecological grassland is greatly damaged, and when the seeds are fished by using a handsheet, parts of leaves growing with reproductive branches and vegetative branches of immature seeds are inevitably damaged, so that the original ecological grassland is greatly damaged; secondly, the operation time is short, the zostera marina seeds fall off immediately after being mature, so that the seeds are collected when the zostera marina seeds are mature, the operation time is short, and the requirement for large-scale seed collection cannot be met; thirdly, the collection efficiency is low, when the zostera marina seeds are mature, the plant coverage of the grassland is very high, great inconvenience is brought to the operation of a manual dip net, the zostera marina seeds are small, and manual collection is very time-consuming.
In view of the above, a fast and efficient method for sorting and collecting zostera marina seeds is needed.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
The invention also aims to provide a method for sorting mature zostera marina seeds based on density difference, which is used for sorting and collecting zostera marina seeds with different maturity based on density difference and has high collection efficiency.
The invention also aims to provide a mature zostera marina seed sorting device based on density difference, which provides a proper sorting device for a mature zostera marina seed sorting method based on density difference so as to effectively improve the sorting efficiency of the mature zostera marina seeds and reduce the labor intensity.
To achieve these objects and other advantages in accordance with the present invention, there is provided a method for sorting mature zostera marina seeds based on density differences, comprising the steps of:
step one, collecting zostera marina reproduction branches in a centralized manner, placing the collected zostera marina reproduction branches in a natural sea area floating frame, and then submerging the natural sea area floating frame into seawater for temporary storage for 28-32 days, wherein zostera marina seeds at the morphological lower ends of the collected zostera marina reproduction branches are dark brown to black;
taking out the natural sea area floating frame, moving the natural sea area floating frame into an impurity removal barrel, injecting natural seawater into the impurity removal barrel, and removing impurities floating on the liquid level in the natural sea area floating frame by adopting an impurity removal basket; and
step three, sequentially putting sorting solution with gradually-increased density into the impurity removing barrel, and sequentially separating zostera marina seeds with different maturity from the sorting solution with gradually-increased density by adopting an impurity removing basket;
wherein the sorting solution is high-density seawater, saline water or Ludox reagent solution with the density of 1.02-1.34 g/mL.
Preferably, the second step further comprises the steps of:
injecting natural seawater with the density lower than 1.06g/mL into the impurity removing barrel, stirring for 3-5 minutes, and standing until the liquid level of the natural seawater in the impurity removing barrel is nearly static;
opening the bottom of the impurity removing basket to form a cylinder structure, and inserting the impurity removing basket into the natural sea area floating frame from the top of the natural sea area floating frame until the upper end opening of the impurity removing basket is flush with the upper end opening of the natural sea area floating frame;
lifting the pair of handles to enable the pair of handles to move to the relatively highest position relative to the upper end of the impurity removing basket, and then pulling the pair of ropes to enable the pair of bottom plates to rotate to be horizontal and buckled with each other; and
and drawing out the impurity removing basket from the natural sea area floating frame to remove the impurities floating and suspended on the upper half part of the impurity removing barrel.
Preferably, in the third step, the algae seeds with different maturity are separated from the sorting solution with gradually increased density by adopting an impurity removing basket, and meanwhile, a stirring device in the impurity removing barrel is used for stirring at a constant speed, and the impurity removing stirring speed is less than or equal to 40 revolutions per minute.
Preferably, the zostera marina seeds with different maturity in the third step comprise: young yellow-white seeds, green developing seeds and brown-black developing finished seeds;
the density of the corresponding sorting solution is as follows in sequence: screening out yellow and white young seeds by using a sorting solution with the density of 1.08-1.22 g/mL; screening green developing seeds by using a sorting solution with the density of 1.22-1.28 g/mL; screening the brown-black developed seeds by using a sorting solution with the density of 1.28-1.34 g/mL;
the corresponding stirring speed is as follows in sequence: screening the yellow-white young seeds by using the sorting solution, wherein the corresponding stirring speed is 40-60 r/min; when screening green developing seeds, the corresponding stirring speed is 60-80 r/min; sieving the seeds with brown-black color, wherein the stirring speed is 80-120 r/min.
A ripe zostera marina seed sorting unit based on density difference includes: the natural sea area floating frame comprises at least one floating frame single body, and the at least one floating frame single body further comprises a support frame I; the net body I is covered on the support frame I, and the top of the net body I is provided with an opening I which can be opened and closed; the counterweight block is detachably arranged at the bottom of the support frame I; the floating ball is detachably arranged at the top of the support frame I;
the impurity removing barrel is a barrel body with an opening at the upper end, the shape and the size of the cross section of the inner cavity of the impurity removing barrel are matched with those of the cross section of the natural sea area floating frame, and the depth of the inner cavity of the impurity removing barrel is greater than the height of the natural sea area floating frame;
the impurity removing basket is detachably inserted into the support frame I through an opening I of the net body I, and the height of the impurity removing basket is smaller than that of the support frame; the edulcoration basket includes: a support frame II; the first frames of any one of the pair of bottom frames are pivoted on the lower end frame of the support frame II, and the two first frames of the pair of bottom frames are arranged correspondingly; the net body II is covered on the support frame II, an opening II is formed in the top of the net body II, and an opening III capable of being opened and closed is formed in the bottom of the net body II; the pair of bottom nets are respectively covered on the pair of bottom frames and can be arranged in the opening III along with the pair of bottom frames in a relatively rotating manner, and the pair of bottom nets are mutually connected with the lower end edge of the net body II at the two first side frames; and at least three water tanks which are respectively communicated with the impurity removing barrel through pipelines, wherein any water tank also comprises a water inlet pipe and a water return pipe communicated to the impurity removing barrel, the at least three water tanks are respectively filled with separation liquid with gradually-increased density, and the density of the separation liquid is 1.02-1.34 g/mL.
Preferably, the method further comprises the following steps: the hook body is arranged on the outer side wall of the natural sea area floating frame, the hook body is arranged close to the upper end of the natural sea area floating frame, and when the natural sea area floating frame is arranged in the inner cavity of the impurity removing barrel, the hook body is detachably hung on the edge of an upper end opening of the impurity removing barrel.
Preferably, the trash basket is a rectangular frame, and the trash basket further includes: the pair of limiting pieces are respectively and correspondingly and vertically arranged on the pair of side frames of the support frame II through connecting rods, and the lower frames of the pair of side frames are correspondingly pivoted with the two first frames; any limiting part in the pair of limiting parts is of a cylinder structure or a plurality of rings which are coaxial and are sequentially arranged in a row, so that a cylindrical cavity is formed in the cylinder structure or the rings, and the vertical distance between the lower end of any limiting part and the first frame of the side frame where the limiting part is located is at least 3 cm;
the pair of tube bodies extend into the cylindrical cavities of the pair of limiting pieces respectively; the length of the pair of pipe bodies is greater than the height of the support frame II; the pair of handles are arranged at one ends of the pair of pipe bodies and are positioned above the upper end of the support frame II; the pair of limiting rings are sleeved at the other ends of the pair of tube bodies, the diameters of the pair of limiting rings are larger than the diameters of the cross sections of the pair of limiting pieces, and the length of any limiting ring is smaller than 3 cm; one end of each rope is fixed to the upper end of the support frame II, the other end of each rope is fixed to the pair of bottom frames, the other end of any rope of the pair of ropes is fixed to a second frame of any bottom frame, the first frame and the second frame are correspondingly distributed on any bottom frame, and the length of any rope is greater than the sum of the height of the support frame II and the width of any bottom frame; and the pair of inserting rods are respectively arranged on the pair of bottom frames, one ends of the pair of inserting rods are respectively and vertically fixed on the pair of second frames of the pair of bottom frames, and when any bottom frame and any side frame which are positioned on the same side of the support frame II are positioned on the same plane, the other ends of the pair of inserting rods are detachably and correspondingly inserted into the other ends of the pair of pipe bodies.
Preferably, the ratio of the height of the impurity removing barrel to the height of the support frame II is 1:2-2: 3.
Preferably, the method further comprises the following steps: the spring pin is arranged in the cylindrical accommodating groove of the second frame of any bottom frame in a telescopic manner; one end of the pin handle is fixed on the side wall of the spring pin, and the other end of the pin handle extends out of the second frame from the elongated opening on the side wall of the accommodating groove; and
and the counter bore is arranged on the second frame of the other bottom frame corresponding to the spring pin, and the free end of the spring pin is detachably inserted into the counter bore.
Preferably, the method further comprises the following steps: the supporting table is supported and fixed at the bottom of the impurity removing barrel through a supporting rod, an accommodating space is formed between the supporting table and the bottom of the impurity removing barrel, and the ratio of the height of the accommodating space to the height of the impurity removing barrel is less than 1: 10; and
the stirring wheel, it uses the bracing piece is the rotatable setting in the bottom of edulcoration bucket of axle, and sets up in accommodation space.
The invention at least comprises the following beneficial effects:
judging whether the zostera marina seeds of the reproduction branches begin to mature or not according to the color of the zostera marina seeds at the morphological lower ends of the zostera marina reproduction branches, collecting the reproduction branches in advance to avoid zostera marina seeds from falling off, reserving and collecting the zostera marina reproduction branch seeds as much as possible, and improving the seed collection rate;
the natural sea area floating frame, the impurity removing basket and the impurity removing barrel are mutually and organically matched, so that impurities can be removed at one time, the working efficiency can be effectively improved, and the labor intensity can be effectively reduced;
the method adopts the sorting solution with gradually increased density to perform gradient sorting on the zostera marina seeds, so that the quality of the zostera marina seeds is effectively improved;
in conclusion, the method for sorting the mature zostera marina seeds based on the density difference, provided by the invention, has the advantages that the zostera marina seeds with different maturity are sorted and collected based on the density difference, and the collection efficiency is high.
The natural sea area floating frame is used for intensively bearing the zostera marina reproduction branches, and the balancing weight and the floating ball are used for submerging the natural sea area floating frame in the water and suspending the natural sea area floating frame in the seawater so as to meet the use requirement that the zostera marina reproduction branches are completely soaked in the seawater; support frame I can be multilateral body frame, in the in-service use, for processing is simple, can set up rectangular body frame, and the specification can be: the length is 40-50cm, the width is 40-50cm, and the height is 100-150 cm. According to the requirement, one floating frame monomer can be used for bearing the zostera marina reproductive branches in a centralized manner, two floating frame monomers can be used for bearing the zostera marina reproductive branches in a centralized manner, and even three floating frame monomers can be used for bearing the zostera marina reproductive branches in a centralized manner;
when the impurity removal basket is inserted into the natural sea area floating frame, the pair of bottom frames are rotated to be opened, so that the bottom of the impurity removal basket is opened, water and impurities at the upper half part of the natural sea area floating frame or zostera marina seeds to be separated enter the impurity removal basket, then the pair of bottom frames drive the pair of bottom nets to be rotated and closed, so that the bottoms of the impurity removal baskets are closed, and then the impurity removal basket is lifted out of the natural sea area floating frame, so that the impurities can be removed or the zostera marina seeds can be easily separated;
the branch pipes of the water inlet pipe and the water return pipe which are communicated with any water tank or the impurity removing barrel are respectively provided with an independent valve 403, so that the water in one water tank can be conveniently injected into the impurity removing barrel or the water in the impurity removing barrel can be returned to the original water tank at the same time; in actual use, the joints of the water return pipes and the at least three water tanks are provided with filter screens, and after the zostera marina seeds are sorted, the return water is conveniently filtered and then recycled.
In conclusion, the density difference-based mature zostera marina seed sorting device provided by the invention provides a proper sorting device for a density difference-based mature zostera marina seed sorting method, so that the sorting efficiency of mature zostera marina seeds is effectively improved, and the labor intensity is reduced.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic structural diagram of a natural sea floating frame composed of three floating frame units suspended in natural sea water according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a floating frame unit according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a sorting apparatus for mature Zostera marina seeds based on density difference according to an embodiment of the present invention (without natural sea area floating frame);
FIG. 4 is a cross-sectional view of the trash basket according to an embodiment of the present invention;
FIG. 5 is a schematic cross-sectional view illustrating the trash basket, the floating frame unit, and the trash can according to an embodiment of the present invention;
FIG. 6 is a schematic front view of a side frame of the trash basket according to an embodiment of the present invention, in which a stopper, a tube, a stopper ring, and a rope are further provided;
FIG. 7 is a schematic front view of a side frame of the trash basket according to another embodiment of the present invention, in which a stopper, a tube, a stopper ring, and a rope are further provided;
FIG. 8 is a schematic cross-sectional view illustrating the trash basket, the floating frame unit, and the trash can according to another embodiment of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
Example 1
A method for sorting mature zostera marina seeds based on density difference comprises the following steps:
as shown in fig. 1 and fig. 2, step one, collecting zostera marina reproduction branches in a centralized manner, placing the collected zostera marina reproduction branches in a natural sea area floating frame, immersing the natural sea area floating frame in seawater, temporarily storing the natural sea area floating frame for 28-32 days, enabling the natural sea area floating frame to be suspended below the seawater level through a balancing weight 102 and a floating ball 101 in a matched manner, and drawing and fixing the natural sea area floating frame through a rope 103, wherein zostera marina seeds at the morphological lower end of the collected zostera marina reproduction branches are dark brown to black; judging the color of the zostera marina seeds at the lower end of the morphology of the zostera marina reproductive branches, wherein the zostera marina seeds of the reproductive branches begin to mature, so that the seeds of the zostera marina reproductive branches are reserved and collected as much as possible, and the seed collection rate is improved;
taking out the natural sea area floating frame, moving the natural sea area floating frame into an impurity removal barrel, injecting natural seawater into the impurity removal barrel, and removing impurities floating on the liquid level of the natural sea area floating frame area by adopting an impurity removal basket; in practical application, the impurity removing process in the second step can also be completed in a natural sea area with calm wind and waves, and in the process, the upper end opening of the floating frame of the natural sea area is at least flush with the sea surface of the natural sea area, or the upper end opening of the floating frame of the natural sea area is higher than the sea surface of the natural sea area; and
step three, sequentially putting sorting solution with gradually-increased density into the impurity removing barrel, and sequentially separating zostera marina seeds with different maturity from the sorting solution with gradually-increased density by adopting an impurity removing basket;
wherein the sorting solution is high-density seawater, saline water or Ludox reagent solution with the density of 1.02-1.34 g/mL.
In the scheme, sorting solutions with different concentrations are adopted to gradually and finely sort the zostera marina seeds with different maturity degrees, so that the quality of the collected zostera marina seeds is effectively improved on the basis of realizing large-scale collection of the zostera marina seeds.
As shown in fig. 5, fig. 6 and fig. 7, in a preferred embodiment, the second step further includes the following steps:
injecting natural seawater with the density lower than 1.06g/mL into the impurity removing barrel, stirring for 3-5 minutes, and standing until the liquid level of the natural seawater in the impurity removing barrel is nearly static;
opening the bottom of the impurity removing basket to form a cylinder structure, and inserting the impurity removing basket into the natural sea area floating frame from the top of the natural sea area floating frame until the upper end opening of the impurity removing basket is flush with the upper end opening of the natural sea area floating frame;
lifting the pair of handles to enable the pair of handles to move to the relatively highest position relative to the upper end of the impurity removing basket, and then pulling the pair of ropes to enable the pair of bottom plates to rotate to be horizontal and buckled with each other; and
and drawing out the impurity removing basket from the natural sea area floating frame to remove the impurities floating on the upper half part of the impurity removing barrel.
In this scheme, natural sea area floats frame, edulcoration basket and edulcoration bucket and mutually organically cooperates, can once only get rid of impurity, can effectively improve work efficiency, effectively reduces intensity of labour.
In a preferable scheme, in the third step, the algae seeds with different maturity are separated from the sorting solution with gradually increased density by adopting an impurity removing basket, and meanwhile, a stirring device in the impurity removing barrel is used for stirring at a constant speed, wherein the stirring speed is less than or equal to 40 revolutions per minute.
In a preferred embodiment, the zostera marina seeds with different maturity in the third step comprise: young yellow-white seeds, green developing seeds and brown-black developing finished seeds;
the density of the corresponding sorting solution is as follows in sequence: screening out yellow and white young seeds by using a sorting solution with the density of 1.08-1.22 g/mL; screening green developing seeds by using a sorting solution with the density of 1.22-1.28 g/mL; screening the brown-black developed seeds by using a sorting solution with the density of 1.28-1.34 g/mL;
the corresponding stirring speed is as follows in sequence: screening the yellow-white young seeds by using the sorting solution, wherein the corresponding stirring speed is 40-60 r/min; when screening green developing seeds, the corresponding stirring speed is 60-80 r/min; sieving the seeds with brown-black color, wherein the stirring speed is 80-120 r/min.
Example 2
As shown in fig. 1, 2 and 3, a sorting device for mature zostera marina seeds based on density difference comprises:
the natural sea area floating frame comprises at least one floating frame single body 10, and a support frame I; the net body I is covered on the support frame I, and the top of the net body I is provided with an opening I which can be opened and closed; the counterweight block 101 is detachably arranged at the bottom of the support frame I; the floating ball 102 is detachably arranged at the top of the support frame I; the natural sea area floating frame is used for intensively bearing the zostera marina reproduction branches, and the balancing weight and the floating ball are used for submerging the natural sea area floating frame in the water and suspending the natural sea area floating frame in the seawater so as to meet the use requirement that the zostera marina reproduction branches are completely soaked in the seawater; support frame I can be multilateral body frame, in the in-service use, for processing is simple, can set up rectangular body frame, and the specification can be: the length is 40-50cm, the width is 40-50cm, and the height is 100-150 cm. According to the requirement, one floating frame monomer can be used for bearing the zostera marina reproductive branches in a centralized manner, two floating frame monomers can be used for bearing the zostera marina reproductive branches in a centralized manner, and even three floating frame monomers can be used for bearing the zostera marina reproductive branches in a centralized manner;
the impurity removing barrel 20 is a barrel body with an opening at the upper end, the shape and the size of the cross section of the inner cavity of the impurity removing barrel are matched with those of the cross section of the natural sea area floating frame, and the depth of the inner cavity of the impurity removing barrel is greater than the height of the natural sea area floating frame; after the natural sea area floating frame is moved into the impurity removing barrel, the liquid level of natural sea water or sorting liquid in the impurity removing barrel is ensured not to be higher than the opening of the natural sea area floating frame in principle, so that impurities or seeds to be sorted are concentrated in the upper half part of the natural sea area floating frame, and the impurities are removed or the zostera marina seeds are sorted through the impurity removing basket;
as shown in fig. 4, the impurity removing basket 30 is detachably inserted into the support frame i through the opening i of the net body i, and the height of the impurity removing basket is smaller than that of the support frame; the edulcoration basket includes: a support frame II 301; a pair of bottom frames 302 capable of being opened and closed in a relatively rotating mode, wherein a first frame of any one of the pair of bottom frames is pivoted on a lower end frame of the support frame II, and two first frames of the pair of bottom frames are arranged correspondingly; the net body II 303 is covered on the support frame II, the top of the net body II is provided with an opening II, and the bottom of the net body II is provided with an opening III which can be opened and closed; a pair of bottom nets 304 which are respectively covered on the pair of bottom frames and can be arranged in the opening III along with the pair of bottom frames in a relatively rotating way, and the pair of bottom nets are mutually connected with the lower end edge of the net body II at the two first side frames; when the impurity removal basket is inserted into the natural sea area floating frame, the pair of bottom frames are rotated to be opened, so that the bottom of the impurity removal basket is opened, water and impurities at the upper half part of the natural sea area floating frame or zostera marina seeds to be separated enter the impurity removal basket, then the pair of bottom frames drive the pair of bottom nets to be rotated and closed, so that the bottoms of the impurity removal baskets are closed, and then the impurity removal basket is lifted out of the natural sea area floating frame, so that the impurities can be removed or the zostera marina seeds can be easily separated; and
the at least three water tanks 40 are respectively communicated with the impurity removing barrel through pipelines, each water tank further comprises a water inlet pipe 401 and a water return pipe 402 communicated to the impurity removing barrel, the at least three water tanks respectively contain sorting liquid with gradually-increased density, and the density of the sorting liquid is 1.02-1.34 g/mL. Wherein, the branch pipes of the water inlet pipe and the water return pipe which are communicated with any water tank or the impurity removing barrel are respectively provided with an independent valve 403, so that the water in one water tank can be conveniently controlled to be injected into the impurity removing barrel or the water in the impurity removing barrel can be returned to the original water tank at the same time; in actual use, the joints of the water return pipes and the at least three water tanks are provided with filter screens, and after the zostera marina seeds are sorted, the return water is conveniently filtered and then recycled.
As shown in fig. 5, in a preferred embodiment, the apparatus for sorting mature zostera marina seeds based on density difference further comprises:
the hook body 103 is arranged on the outer side wall of the natural sea area floating frame, the hook body is arranged at the position close to the upper end of the natural sea area floating frame, and when the natural sea area floating frame is arranged in the inner cavity of the impurity removing barrel, the hook body is detachably hung on the edge of an upper end opening of the impurity removing barrel. In practical applications, pairs of hooks, such as one pair of hooks, two pairs of hooks, or three pairs of hooks, are generally provided for the stability of the floating frame suspended in the natural sea area.
As shown in fig. 6 and 7, in a preferred embodiment, the trash basket is a rectangular frame, and the trash basket further includes:
the pair of limiting pieces 305 are respectively and vertically arranged on the pair of side frames of the support frame II correspondingly through the connecting rod 3051, and the lower frames of the pair of side frames are correspondingly pivoted with the two first frames; any limiting part in the pair of limiting parts is of a cylinder structure or a plurality of rings which are coaxial and are sequentially arranged in a row, so that a cylindrical cavity is formed in the cylinder structure or the rings, and the vertical distance between the lower end of any limiting part and the first frame of the side frame where the limiting part is located is at least 3 cm;
a pair of tubes 306 extending into the cylindrical cavities of the pair of stoppers, respectively; the length of the pair of pipe bodies is greater than the height of the support frame II; a pair of handles 3061 disposed at one end of the pair of tubes and above the upper end of the support frame II; a pair of limit rings 3062, which are sleeved at the other ends of the pair of tube bodies, the diameters of the pair of limit rings are larger than the diameters of the cross sections of the pair of limit pieces, and the length of any limit ring is smaller than 3 cm; one end of each rope 307 is fixed to the upper end of the support frame II, the other end of each rope is fixed to the pair of bottom frames, the other end of any rope of the pair of ropes is fixed to a second frame of any bottom frame, the first frame and the second frame are correspondingly distributed on any bottom frame, and the length of any rope is greater than the sum of the height of the support frame II and the width of any bottom frame; and a pair of insertion rods 308 which are respectively arranged on the pair of bottom frames, one ends of the pair of insertion rods are respectively and vertically fixed on the pair of second frames of the pair of bottom frames, and when any bottom frame and any side frame which are positioned on the same side of the support frame II are positioned on the same plane, the other ends of the pair of insertion rods are detachably inserted into the other ends of the pair of pipe bodies correspondingly.
The vertical distance between the lower end of any limiting part and the first frame of the side frame where the limiting part is located is at least 3cm, so that an accommodating space is provided for the limiting ring, when a pair of handles are acted by external force, a pair of pipe bodies can be moved to the highest relative positions along the pair of limiting parts, at the moment, the limiting ring abuts against the lowest end of the pair of limiting parts, the other ends of the pair of inserting rods are separated from the pair of pipe bodies, at the moment, a pair of ropes are pulled, a pair of bottom plates can be pulled to rotate to be mutually closed, and finally the bottom of the impurity removing basket is sealed.
In a preferable scheme, the ratio of the height of the impurity removing barrel to the height of the support frame II is 1:2-2: 3. The ratio may be: 1:2, 7:12 or 2: 3.
In a preferred embodiment, the sorting device for mature zostera marina seeds based on density difference further comprises:
the spring pin is arranged in the cylindrical accommodating groove of the second frame of any bottom frame in a telescopic manner; one end of the pin handle is fixed on the side wall of the spring pin, and the other end of the pin handle extends out of the second frame from the elongated opening on the side wall of the accommodating groove; and
and the counter bore is arranged on the second frame of the other bottom frame corresponding to the spring pin, and the free end of the spring pin is detachably inserted into the counter bore. The spring pin and the counter bore are matched with each other, the pair of bottom frames are automatically locked, and when the pair of bottom frames are required to be opened, the spring pin can be manually pulled out of the counter bore. Simple structure and convenient use.
As shown in fig. 8, in a preferred embodiment, the apparatus for sorting mature zostera marina seeds based on density difference further comprises: the supporting table 201 is supported and fixed at the bottom of the impurity removing barrel through a supporting rod 202, an accommodating space is formed between the supporting table and the bottom of the impurity removing barrel, and the ratio of the height of the accommodating space to the height of the impurity removing barrel is less than 1: 10; and the stirring wheel 203 is rotatably arranged at the bottom of the impurity removing barrel by taking the supporting rod as an axis and is arranged in the accommodating space. In this scheme, it has following a great deal of benefit to set up a supporting bench: firstly, the supporting table can be used for supporting the natural sea area floating frame placed in the impurity removing barrel; secondly, the below of brace table is supported fixedly by the support column, forms annular space around the support column, can set up the space for the stirring wheel provides, and finally, brace table still can block net body I that natural sea area floats the frame to a certain extent, avoids net body I and stirring wheel intertwine to extension net body I and stirring wheel life.
The method of example 1 and the apparatus of example 2 were used to sort zostera marina seeds of different maturity.
Experiment raw materials: the zostera marina reproductive branches are collected from the sea area near the east papermulberry island of honor city, Shandong province;
the collection time of the zostera marina reproductive branches is 7 months, middle and last ten days each year.
Example 3
The test method and the result show that: the sorting solution with the density lower than 1.18g/mL can be used for screening 73% of the total amount of newly differentiated young seeds and 24% of the total amount of developing seeds, and then the sorting solution with the density lower than 1.34g/mL can be used for separating out all the developing seeds, residual few developing seeds and developing seeds.
Example 4
The test method and the result show that: firstly, the sorting solution with the density lower than 1.20g/mL can be used for screening out 82 percent of the total amount of newly differentiated young seeds and 37 percent of the total amount of developing seeds, and then the sorting solution with the density lower than 1.34g/mL can be used for separating out all the developed seeds, residual few developed seeds and developing seeds.
Example 5
The test method and the result show that: firstly, sorting solution with the density lower than 1.22g/mL can be used for screening out all newly differentiated young seeds and 58% of the total amount of the developing seeds, and then sorting solution with the density lower than 1.34g/mL can be used for separating out all the developing seeds and residual small amount of developing seeds.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (3)
1. The utility model provides a ripe Zostera marina seed sorting unit based on density difference which characterized in that includes:
the natural sea area floating frame comprises at least one floating frame single body, and the at least one floating frame single body further comprises a support frame I; the net body I is covered on the support frame I, and the top of the net body I is provided with an opening I which can be opened and closed; the counterweight block is detachably arranged at the bottom of the support frame I; the floating ball is detachably arranged at the top of the support frame I;
the impurity removing barrel is a barrel body with an opening at the upper end, the shape and the size of the cross section of the inner cavity of the impurity removing barrel are matched with those of the cross section of the natural sea area floating frame, and the depth of the inner cavity of the impurity removing barrel is greater than the height of the natural sea area floating frame; the supporting table is supported and fixed at the bottom of the impurity removing barrel through a supporting rod, an accommodating space is formed between the supporting table and the bottom of the impurity removing barrel, and the ratio of the height of the accommodating space to the height of the impurity removing barrel is less than 1: 10; the stirring wheel is rotatably arranged at the bottom of the impurity removing barrel by taking the supporting rod as a shaft and is arranged in the accommodating space;
the impurity removing basket is detachably inserted into the support frame I through an opening I of the net body I, and the height of the impurity removing basket is smaller than that of the support frame I; the edulcoration basket includes: a support frame II; the first frames of any one of the pair of bottom frames are pivoted on the lower end frame of the support frame II, and the two first frames of the pair of bottom frames are arranged correspondingly; the net body II is covered on the support frame II, an opening II is formed in the top of the net body II, and an opening III capable of being opened and closed is formed in the bottom of the net body II; the pair of bottom nets are respectively covered on the pair of bottom frames and can be arranged in the opening III along with the pair of bottom frames in a relatively rotating manner, and the pair of bottom nets are mutually connected with the lower end edge of the net body II at the two first side frames; and
the device comprises at least three water tanks, a water inlet pipe and a water return pipe, wherein the three water tanks are respectively communicated with an impurity removal barrel through pipelines, any one of the water tanks further comprises a water inlet pipe and a water return pipe communicated to the impurity removal barrel, sorting solutions with gradually-increased densities are respectively contained in the three water tanks, and the densities of the sorting solutions are 1.02-1.34 g/mL;
the edulcoration basket is the rectangle frame, the edulcoration basket still includes:
the pair of limiting pieces are respectively and correspondingly and vertically arranged on the pair of side frames of the support frame II through connecting rods, and the lower frames of the pair of side frames are correspondingly pivoted with the two first frames; any limiting part in the pair of limiting parts is of a cylinder structure or a plurality of rings which are coaxial and are sequentially arranged in a row, so that a cylindrical cavity is formed in the cylinder structure or the rings, and the vertical distance between the lower end of any limiting part and the first frame of the side frame where the limiting part is located is at least 3 cm;
the pair of tube bodies extend into the cylindrical cavities of the pair of limiting pieces respectively; the length of the pair of pipe bodies is greater than the height of the support frame II; the pair of handles are arranged at one ends of the pair of pipe bodies and are positioned above the upper end of the support frame II; the pair of limiting rings are sleeved at the other ends of the pair of tube bodies, the diameters of the pair of limiting rings are larger than the diameters of the cross sections of the pair of limiting pieces, and the length of any limiting ring is smaller than 3 cm; one end of each rope is fixed to the upper end of the support frame II, the other end of each rope is fixed to the pair of bottom frames, the other end of any rope of the pair of ropes is fixed to a second frame of any bottom frame, the first frame and the second frame are correspondingly distributed on any bottom frame, and the length of any rope is greater than the sum of the height of the support frame II and the width of any bottom frame; the pair of inserting rods are respectively arranged on the pair of bottom frames, one ends of the pair of inserting rods are respectively and vertically fixed on a pair of second frames of the pair of bottom frames, and when any bottom frame positioned on the same side of the support frame II and any side frame are positioned on the same plane, the other ends of the pair of inserting rods are detachably inserted into the other ends of the pair of pipe bodies correspondingly;
further comprising:
the hook body is arranged on the outer side wall of the natural sea area floating frame, the hook body is arranged close to the upper end of the natural sea area floating frame, and when the natural sea area floating frame is arranged in the inner cavity of the impurity removing barrel, the hook body is detachably hung on the edge of an upper end opening of the impurity removing barrel.
2. The device for sorting the ripe zostera marina seeds based on the density difference as claimed in claim 1, wherein the ratio of the height of the impurity removing barrel to the height of the support frame II is 1:2-2: 3.
3. The apparatus for sorting ripe zostera marina seeds based on density difference as claimed in claim 1, further comprising:
the spring pin is arranged in the cylindrical accommodating groove of the second frame of any bottom frame in a telescopic manner; one end of the pin handle is fixed on the side wall of the spring pin, and the other end of the pin handle extends out of the second frame from the elongated opening on the side wall of the accommodating groove; and
and the counter bore is arranged on the second frame of the other bottom frame corresponding to the spring pin, and the free end of the spring pin is detachably inserted into the counter bore.
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| SU1311649A1 (en) * | 1984-09-21 | 1987-05-23 | Киевское Специальное Проектно-Конструкторское Бюро "Укрсортсемовощ" | Installation for treatment of seeds |
| US6988622B1 (en) * | 2003-04-22 | 2006-01-24 | Curry Seed And Chili Co. | Venturi-driven flotation separator for chili peppers |
| CN101912813B (en) * | 2010-05-19 | 2013-03-27 | 陈惠玲 | Method for removing shells from sea sand and a separation device using same |
| CN103081651A (en) * | 2011-11-02 | 2013-05-08 | 中国海洋大学 | Method for collecting zostera marina seeds |
| CN203379984U (en) * | 2013-06-19 | 2014-01-08 | 天津市保田农机销售有限公司 | Salt-water seed sorting machine |
| CN104429881B (en) * | 2014-05-15 | 2016-08-31 | 浙江海洋学院 | Algae culturing instrument |
| CN104145804B (en) * | 2014-07-24 | 2017-05-03 | 青岛农业大学 | Eel grass seed proliferation device and method adaptable to rapid water flow conditions |
| CN104369289B (en) * | 2014-09-15 | 2016-10-19 | 东莞市台电环保科技有限公司 | A kind of separation system |
| CN205213692U (en) * | 2015-11-09 | 2016-05-11 | 中国海洋大学 | Suspending device is bred to coastal waters marine alga |
| CN208194644U (en) * | 2018-04-11 | 2018-12-07 | 杨爱友 | A kind of wheat breeding seed selection device |
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